50 pair block?

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Sir Fredrick

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Oct 14, 1999
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I'm setting up a network/phone system (first time), I can across a "50 pair block". found a great way to use it to make wiring for the phone system much easier, but I doubt this is how it was intended to be used. Is there a standard practice for how these things are used? I found a picture at:
http://www.kroneamericas.com/50pair_blocks.html
But no luck finding any info on the 'net about these things...
 
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Xanathar

Golden Member
Oct 14, 1999
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Dont run networking over those please. Most arent even cat3 rated, and the cat5 ones are very expensive, All you will do is cause future nightmares with networking at least. Phones they are great, you can even buy htem prewired with 50pin connectors on the side >commonly callen anthenol, because thats the commonest maker, and those blocks for some stupid reasn are refered to as 66 blocks<
 
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Sir Fredrick

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Oct 14, 1999
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Don't worry, not using them for networking, those wires just get an RJ-45 connector and get plugged right into the hub/switch. :)

Is there a standard way these things are supposed to be wired for phone? I'd love to see a site with instructions or pictures of how it's supposed to be. What we're doing works just fine, I'd just like to know how it's supposed to be :)
 
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Unclemo

Banned
Apr 1, 2000
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So what are you exactly doing with this? I have a 25 pair... but don't understand what you are trying to do with it. It is basically to make phone connections in a parallel series easier and cleaner looking...
 
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Sir Fredrick

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Oct 14, 1999
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Ok, I tried to make a diagram in paintbrush to give you an idea how I have this thing wired.

http://204.181.95.85/temp/diagram.jpg

Basically I have one wire running down the side so that all of the connectors are on the same circuit (i.e. instead of left just being connected to right, all right are connected together via the cable on the left).

I use a section of block on either side so that the striped wire goes to a block on one side, and a solid wire goes to a block on the other side.

This allows me to run 1 set of wires from the telephone box to the 50 pair block, and then I can split the line as many times as I want.
For example, I need the boss, the main office, and the secretary's office to have access to line one and to line two. All of the cables run to the block, then blue and white from each of those cables get attached to the appropriate set of blocks, and orange and white get attached to the appropriate set of blocks.

I know this probably seems crazy but it actually works (tested it tonight)...and it's a lot easier than running 10 pairs of wires into the telephone box.

I'll take a picture next time I get over there.
 
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Xanathar

Golden Member
Oct 14, 1999
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Okay, the long 25 pair block <with multiple rows> Will work for your situation for voice. However dues to you running the wires seperate and straight for so long a distance you open up the possibility of the phone wiring becomming a giant radio antenna and you being able to listen to local AM stations by just picking up the phone. Your mileage may vary, and you may even end up with free on hold music
 
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Sir Fredrick

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Oct 14, 1999
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I don't quite see how that's possible...anyway, I've already tested them and they work perfectly, no interference :)
 
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Sir Fredrick

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Oct 14, 1999
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The wires aren't run seperate for long, if I understand what you mean...they're all twisted pair, they only get untwisted at the very end to be hooked up to the block.
 
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Damaged

Diamond Member
Oct 11, 1999
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Hah! Thanks for the diagram.

If you have a punch down you'll notice that the other end doesn't &quot;snip.&quot; Why? Because it's desiged to do exactly what you're doing: manipulate a wire through the block.

What you've done is string the one circuit to every other point so that you can tap other lines off of it. This is common practice.

Nothing strange here. Amazing you figured this out on your own though. Good work! :)
 
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